Matemáticas mentales Worksheet
Recommended for 1er grado — 5to grado
Matemáticas mentales Worksheet
Name: ____________________Date: ____________
Instructions: Usar estrategias mentales como sumar diez, duplicar y compensar para calcular rápidamente.
20 problems
43 − 10 = ______
87 − 10 = ______
7 × 10 = ______
71 + 20 = ______
82 + 10 = ______
31 − 10 = ______
95 − 10 = ______
1 × 10 = ______
67 + 20 = ______
9 × 10 = ______
47 − 10 = ______
18 + 20 = ______
75 + 20 = ______
86 + 10 = ______
51 + 20 = ______
23 + 10 = ______
48 − 10 = ______
5 × 10 = ______
27 + 10 = ______
22 + 10 = ______
